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Proceedings Paper

Patternable conjugated polymers for organic solar cells
Author(s): Peter Strohriegl; Philipp Knauer; Christina Saller; Esther Scheler
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Paper Abstract

Photocrosslinking is known as a suitable method for patterning organic semiconductors in organic light emitting diodes. We extend this concept to the field of organic solar cells using conjugated polymers bearing sidechains with photocrosslinkable oxetane units. By UV irradiation in the presence of a photo acid generator the oxetane groups polymerize, leading to the formation of a densely crosslinked, and thus insoluble, network of a low-bandgap polymer. In this paper we present the synthesis of two novel photocrosslinkable low-bandgap polymers PFDTBTOx and PCDTBTOx and discuss several strategies for the fabrication of organic solar cells taking advantage of the novel crosslinkable materials.

Paper Details

Date Published: 17 October 2013
PDF: 10 pages
Proc. SPIE 8830, Organic Photovoltaics XIV, 88300P (17 October 2013); doi: 10.1117/12.2023899
Show Author Affiliations
Peter Strohriegl, Univ. Bayreuth (Germany)
Philipp Knauer, Univ. Bayreuth (Germany)
Christina Saller, Univ. Bayreuth (Germany)
Esther Scheler, Univ. Bayreuth (Germany)

Published in SPIE Proceedings Vol. 8830:
Organic Photovoltaics XIV
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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